(19)

(11)

EP 1 721 341 A1

(12)

(43) Date of publication: 15.11.2006 Bulletin 2006/46 (21) Application number: 05726372.5 (22) Date of filing: 05.02.2005

(51) International Patent Classification (IPC):  H01L 33/00(2006.01) (86) International application number: PCT/KR2005/000360 (87) International publication number: WO 2005/076374 (18.08.2005 Gazette 2005/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 05.02.2004 KR 2004007541 (71) Applicant: Epivalley Co., Ltd. Kwangju-si, Kyunggi-do 464-892 (KR)	(72) Inventor: PARK, Joongseo 606-103, Samsung Raemian Yongin-si, Kyunggi-do 449-564 (KR) (74) Representative: Müller - Hoffmann & Partner  Patentanwälte Innere Wiener Strasse 17 81667 München 81667 München (DE)